Arm rest



FIG. 1 is a front perspective view of a left arm rest.

FIG. 2 is a side perspective view thereof.

FIG. 3 is a back perspective view thereof.

FIG. 4 is a top view thereof.

FIG. 5 is a bottom view thereof.

FIG. 6 is a left side view thereof.

FIG. 7 is a right side view thereof.

FIG. 8 front view thereof.

FIG. 9 back view thereof.

FIG. 10 is a front perceptive view of the left arm rest being engaged on a wheelchair.

FIG. 11 is a side view of a user placing their hand on the left arm rest engaged on a wheelchair; and,

FIG. 12 is a side view of a user lifting themselves from the wheelchair using the left arm rest engaged on the wheelchair.

The illustrative broken lines depict environmental subject matter that form no part of the present claimed design. 

CLAIM The ornamental design for an arm rest, as shown and described. 